皮皮学，免费搜题
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搜题
【单选题】
Windows的菜单命令中,变灰的命令表示( )。A.
将切换到另一个窗口
B.
将打开对话框
C.
该命令正在使用
D.
该命令此时不能使用
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What the shopkeeper and the bird said are the same.
A.
Right.
B.
Wrong.
C.
Doesn't say.
【单选题】John's girlfriend didn't tell him what kind of perfume she liked.
A.
Right.
B.
Wrong.
C.
Doesn't Say.
【简答题】It is in the right for one to do what he likes which doesn’t do any harm to others’ interest. A) sensitive B) comfortable C) relative D) reasonable
【简答题】简述果树物候期的特点。
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